Update: The M&A fee survey is now closed, and the results from 470+ investment bankers and advisors have been published in the 2017 M&A Fee Guidenow available.

Information about M&A advisory fees can be surprisingly difficult to track down. The lack of transparency makes it tough for M&A professionals to assess their own fees relative to their peers or learn about different types of fee structures they might not have considered.

Without an authoritative, up-to-date source of data on average cost structures, how can buyers and sellers make informed decisions about what is being charged and why?